论文标题
预测使用LSTM和动态行为模型在控制场景下Covid-19的传播
Forecasting the Spread of Covid-19 Under Control Scenarios Using LSTM and Dynamic Behavioral Models
论文作者
论文摘要
为了准确预测COVID-19感染的区域扩散,本研究提出了一种新型的混合模型,该模型结合了长期的短期记忆(LSTM)人工复发性神经网络与动态行为模型。几种因素和控制策略会影响病毒的扩散,并且由于混淆了COVID-19感染传播的混淆变量而产生的不确定性是很大的。拟议的模型考虑了多种因素的影响,以提高预测前十大国家和澳大利亚的病例和死亡人数的准确性。结果表明,提出的模型密切复制测试数据。它不仅提供了准确的预测,还可以估计系统在不确定性下的日常行为。 Hybrid模型的表现优于LSTM模型,该模型对可用数据有限。使用遗传算法为每个国家 /地区优化了混合模型的参数,以提高预测能力,同时考虑区域性质。由于所提出的模型可以准确地预测Covid-19在考虑到遏制政策的情况下的传播,因此能够用于政策评估,计划和决策。
To accurately predict the regional spread of Covid-19 infection, this study proposes a novel hybrid model which combines a Long short-term memory (LSTM) artificial recurrent neural network with dynamic behavioral models. Several factors and control strategies affect the virus spread, and the uncertainty arisen from confounding variables underlying the spread of the Covid-19 infection is substantial. The proposed model considers the effect of multiple factors to enhance the accuracy in predicting the number of cases and deaths across the top ten most-affected countries and Australia. The results show that the proposed model closely replicates test data. It not only provides accurate predictions but also estimates the daily behavior of the system under uncertainty. The hybrid model outperforms the LSTM model accounting for limited available data. The parameters of the hybrid models were optimized using a genetic algorithm for each country to improve the prediction power while considering regional properties. Since the proposed model can accurately predict Covid-19 spread under consideration of containment policies, is capable of being used for policy assessment, planning and decision-making.